Planche 1 issued from : T. Park in Antarct. Res. Ser. Washington, 1983, 39 (5). [p.336, Fig.10]. Female: a, habitus (lateral right side); b, forehead (lateral); c, idem (dorsal); e, last thoracic segments and urosome (dorsal); f, genital segment (ventral); g, idem (lateral right side); h, Mxp; i, distal part of Mxp; j, P1 (anterior); k, P5 (posterior).
Planche 2 issued from : T. Park in Antarct. Res. Ser. Washington, 1983, 39 (5). [p.337, Fig.11]. Male: a, anterior forehead (lateral); b, forehead (lateral); c, idem (dorsal); d, last thoracic segments of metasome and urosome (dorsal); e, idem (lateral left side); f, rostrum (anterior); g, A2.
Planche 3 issued from : T. Park in Antarct. Res. Ser. Washington, 1983, 39 (5). [p.338, Fig.12]. Male: a, Mx1; b, Md; c, Mx2; d, Mxp; e, endopod of Mxp; f, P1 (anterior); g, P5 (posterior).
Planche 4 issued from : C.B. Wilson in Scientific Results of Cruise VII of the Carnegie during 1928-1929. Biology-I. Carnegie Inst. Wash. Publ. 536, 1942. [p.229, Fig.96]. As Onchocalanus trigoniceps. With doubt. Female (from off E Juan Fernandez Island): 96, P5. Nota: Head without frontal crest.
Carte 3 Issued from : E.T. Park & F.D. Ferrari in A selection from Smithsonian at the Poles Contributions to International Polar year. I. Krupnik, M.A. Lang and S.E. Miller, eds., Publs. by Smithsonian Institution Scholarly Press, Washington DC., 2009. [p.165, Fig.1] Distribution of selected pelagic calanoids Onchocalanus paratrigoniceps of the Southern Ocean and the closest relative.